Zobrazeno 1 - 6
of 6
pro vyhledávání: '"F. M. Lecocq"'
Publikováno v:
Weed Research. 31:33-40
Resume: L'imazaquine, un herbicide systemique, applique sur les feuilles de Phaseolus aureus parasite par Cuscuta lupuliformis est transporte dans la cuscute et fortement accumule dans la partie apicale des tiges de ce parasite. Des resultats similai
Publikováno v:
Protoplasma. 130:128-137
The nuclear DNA content of cotyledonary cells of two lupin seeds (L1 and L2) with markedly different total protein content, were investigated by scanning cytophotometry. Both seeds had polyloid nuclei with DNA levels varying between 8 C and 64 C, the
Publikováno v:
Journal of Bryology. 14:765-777
The effects of a 24 h dehydration period on plastid ultrastructure and their starch content have been studied on the leafy gametophyte of a poikilohydrous moss Polytrichum formosum Hedw. It has been shown that desiccation induces a swift resorption o
Publikováno v:
Canadian Journal of Botany. 66:328-338
The effects of a herbicide, chlorthal (2,3,5,6-tetrachloroterephthalic acid), on the growth and development of Cuscuta lupuliformis Krocker have been examined on seedlings 2 to 15 days old. In dodder, the shoot meristem is not restricted to the apex
Publikováno v:
Canadian Journal of Botany. 59:1405-1412
The mitotic indices and the nuclear DNA content of the cells of the meristematic apical zone of Fucus spiralis were investigated on young thalli 5,15, and 25 mm high. The apical cell exhibits a cell cycle with a prominent G2 phase whereas the segment
Publikováno v:
Bulletin de la Société Botanique de France. Actualités Botaniques. 131:113-124
ResumeLa deshydratation des gametophytes feuilles du Polytrichum formosum, poursuivie jusqu'a l'obtention d'un deficit hydrique de 96%, provoque une desorganisation rapide des polysomes des cellules de la region meristematique apicale. De nombreux ri